<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8">
		<title>上传视频</title>
		<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1,user-scalable=no">
		<meta name="apple-mobile-web-app-capable" content="yes">
		<meta name="apple-mobile-web-app-status-bar-style" content="black">

		<!--标准mui.css-->
		<link rel="stylesheet" href="../../css/mui.min.css">
		<link href="../../css/mui.picker.css" rel="stylesheet" />
		<link href="../../css/mui.poppicker.css" rel="stylesheet" />
		<!--App自定义的css-->
		<!-- <link rel="stylesheet" type="text/css" href="../css/app.css" /> -->
		<style>
			h5 {
				margin: 5px 7px;
			}
			.mui-input-row .mui-btn {
			    line-height: 1.1;
			    float: right;
			    width:65%;
			    padding: 10px 15px;
			}
		</style>
		
	</head>

	<body>
		<header class="mui-bar mui-bar-nav">
			<a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
			<h1 class="mui-title">上传视频</h1>
		</header>
		<div class="mui-content">
			<div class="mui-content-padded" style="margin: 5px;">
				
				<form class="mui-input-group" id="fmInput">
					<div class="mui-input-row">
						<label>:</label>
						<input type="text" id="JD"/>
					</div>
					
					
					<div class="mui-input-row" style="margin: 10px 5px;height:480px">
						
						 <input type="button" title="开启摄像头" value="开启摄像头" onclick="getMedia();" /><br />  
    <video height="120px" autoplay="autoplay"></video><hr />  
    <input type="button" title="拍照" value="拍照" onclick="getPhoto();" /><br />  
    <canvas id="canvas1" height="120px" ></canvas><hr />  
    <input type="button" title="视频" value="视频" onclick="getVedio();" /><br />  
    <canvas id="canvas2" height="120px"></canvas>  
					</div>
					
					
					<div class="mui-button-row">
						<button type="button" id="butSave" class="mui-btn mui-btn-primary" >确认</button>&nbsp;&nbsp;
						<button type="button" class="mui-btn mui-btn-danger" @click="fnsubmit()">取消</button>
					</div>
					
				</form>
				
				
			</div>
		</div>
		<script src="../../js/mui.min.js"></script>
		
		<script type="text/javascript">  
        var video = document.querySelector('video');  
        var audio, audioType;  
  
        var canvas1 = document.getElementById('canvas1');  
        var context1 = canvas1.getContext('2d');  
  
        var canvas2 = document.getElementById('canvas2');  
        var context2 = canvas2.getContext('2d');  
  
        navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;  
        window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;  
  
        var exArray = []; //存储设备源ID  
        MediaStreamTrack.getSources(function (sourceInfos) {  
            for (var i = 0; i != sourceInfos.length; ++i) {  
                var sourceInfo = sourceInfos[i];  
                //这里会遍历audio,video，所以要加以区分  
                if (sourceInfo.kind === 'video') {  
                    exArray.push(sourceInfo.id);  
                }  
            }  
        });  
  
        function getMedia() {  
            if (navigator.getUserMedia) {  
                navigator.getUserMedia({  
                    'video': {  
                        'optional': [{  
                            'sourceId': exArray[1] //0为前置摄像头，1为后置  
                        }]  
                    },  
                    'audio':true  
                }, successFunc, errorFunc);    //success是获取成功的回调函数  
            }  
            else {  
                alert('Native device media streaming (getUserMedia) not supported in this browser.');  
            }  
        }  
  
        function successFunc(stream) {  
            //alert('Succeed to get media!');  
            if (video.mozSrcObject !== undefined) {  
                //Firefox中，video.mozSrcObject最初为null，而不是未定义的，我们可以靠这个来检测Firefox的支持  
                video.mozSrcObject = stream;  
            }  
            else {  
                video.src = window.URL && window.URL.createObjectURL(stream) || stream;  
            }  
  
            //video.play();  
  
            // 音频  
            audio = new Audio();  
            audioType = getAudioType(audio);  
            if (audioType) {  
                audio.src = 'polaroid.' + audioType;  
                audio.play();  
            }  
        }  
        function errorFunc(e) {  
            alert('Error！'+e);  
        }  
  
          
        // 将视频帧绘制到Canvas对象上,Canvas每60ms切换帧，形成肉眼视频效果  
        function drawVideoAtCanvas(video,context) {  
            window.setInterval(function () {  
                context.drawImage(video, 0, 0,90,120);  
            }, 60);  
        }  
  
        //获取音频格式  
        function getAudioType(element) {  
            if (element.canPlayType) {  
                if (element.canPlayType('audio/mp4; codecs="mp4a.40.5"') !== '') {  
                    return ('aac');  
                } else if (element.canPlayType('audio/ogg; codecs="vorbis"') !== '') {  
                    return ("ogg");  
                }  
            }  
            return false;  
        }  
  
        // vedio播放时触发，绘制vedio帧图像到canvas  
//        video.addEventListener('play', function () {  
//            drawVideoAtCanvas(video, context2);  
//        }, false);  
  
        //拍照  
        function getPhoto() {  
            context1.drawImage(video, 0, 0,90,120); //将video对象内指定的区域捕捉绘制到画布上指定的区域，实现拍照。  
        }  
  
        //视频  
        function getVedio() {  
            drawVideoAtCanvas(video, context2);  
        }  
  
    </script>  
	
	</body>

</html>